Surface ornamentation for a scale



FIG. 1 is a perspective view of a surface ornamentation for a scale, showing my new design; and,

FIG. 2 is a top plan view thereof.

The dash-dash broken lines showing scale depict environmental subject matter that forms no part of the claimed design, while the dash-dot-dot-dash broken line represents the bounds of the claimed design. 

CLAIM The ornamental design for a surface ornamentation for a scale, as shown and described. 